Lipopolysaccharides
(LPS), commonly known as endotoxin are found in Gram-negative bacteria outer membrane. Much evidence has shown the ability of LPS in
eliciting immune response in human and animalsincluding shock, coagulation, fever
and inflammation. At high concentration,
LPS evoke a massive circulation of macrophages and cause major clinical issue
in septic shock treatment in human.
Despite the complication that LPS can cause in human, LPS also post a
major concern in animal research due to the ability of LPS in inducing immune
response. During animal immunization, an antigen is introduced for specific
antibody production against the antigen.
However, the immune response is manifested with the presence of LPS and
it often lead to the antibody production against LPS instead of the antigen introduced. Gram-negative bacteria such as E-coligain much attention in
bioengineering and microbiology research. E-coliare
best known as the versatile host for protein expression, recombinant protein
production and being a vector. Though,
there are many benefits for using E-coliin
research, the LPS that are in conjunction could affect the research accuracy
and specificity. For that reason, LPS
removal is crucial for all kind of animal research especially when it is
related to gram-negative bacteria.
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